So far the influence of Fifty Shadeson fall fashion has been the predominance of the color gray—until today, that is, when Phillip Lim introduced light bondage, in the form of harnesses and elaborate lacing, into his fall collection. Although we predicted S&M references, we didn’t expect them to be paired with a grunge, Kurt Cobain–esque (the best kind, this season) plaid. Behold, fashion’s next mash-up: grundage.